Option(A) is correct
There are two main grammatical issues that are being tested in this problem.
(1) the slew of programs is a singular subject and must be matched with a singular verb (i.e., has)
(2) The two actions meant to be accomplished by the slew of programs must be parallel: (a) engendering healthy intra-bank credit flows (b) reviving depressed equity prices.
A. The subject and verb agree; the actions meant to be accomplished by the slew of programs are parallel
B. The subject (the slew of programs, which is singular) does not agree with the verb (have, which is plural)
C. The two actions meant to be accomplished by the slew of programs are not parallel. I.e., the phrase engendering ... and bringing about the ... is not parallel
D. The subject (the slew of programs, which is singular) does not agree with the verb (have, which is plural); The two actions meant to be accomplished by the slew of programs are not parallel. I.e., the phrase engendering ... and to revive is not parallel
E. The two actions meant to be accomplished by the slew of programs are not parallel. I.e., the phrase engendering ... along with a revival of is not parallel